PROJECT NAME : 230 kV Underground Cable Link between Lad Phrao and Vibhavadi Substation Project
Owner : Metropolitan Electricity Authority of Thailand (MEA)
Client : Electricite’ de France (EDF) (France) and Mott McDonald
Location : Bangkok, Thailand
Period of Services : 1999 – 2002
Project Cost : Approx. 2,600 Million Baht
Scope of Services and Description of Duties :
MEA had planned to build 230 kV underground transmission lines between two substations in Bangkok, from EGAT’s Lad Phrao Substation to MEA’s Vibhavadi Substation along Vibhavadi Road. Main components consist of 2 circuits of oil filled 230 kV cables installed in a 2.6 meter-inside-diameter tunnel of 8 km. length, and a cooling plant with water cooling pipes along the cables for reducing heat dissipation. The tunnel is approximately 15 m deep and is constructed by using a pipe jacking method. There are 19 shafts of approximately 400 m apart.
ATT in association with Electricite’ de France (EDF) and Mott McDonald have been appointed as the consultant to MEA to supervise the construction works.